Léon Marchand is a French swimmer who has emerged as one of the top talents in international swimming. Born on May 17, 2002, in Toulouse, France, he specializes in individual medley and butterfly events.

He first gained attention on the international stage at the European Junior Championships and later qualified for the Tokyo 2021 Olympics. At the Tokyo Olympics, he showcased promising performances, although he did not win a medal. Nevertheless, he continued his impressive progress in the sport.

Léon Marchand particularly shone at the 2022 World Aquatics Championships, where he won medals in the 200m and 400m individual medley events. He also set new records, establishing himself as one of the swimmers to watch in future competitions, especially in the lead-up to the Paris 2024 Olympics.

His swimming style is characterized by excellent technique and great endurance, allowing him to dominate individual medley events that require proficiency in multiple swimming styles. Marchand trains in the United States under the guidance of Bob Bowman, the former coach of Michael Phelps, which has helped him further develop his skills and reach an elite level of performance.